problem

Favourite

### First Connect Three

Add or subtract the two numbers on the spinners and try to complete a row of three. Are there some numbers that are good to aim for?

problem

Favourite

### Round the Four Dice

This activity involves rounding four-digit numbers to the nearest thousand.

problem

Favourite

### Round the Three Dice

What happens when you round these three-digit numbers to the nearest 100?

problem

Favourite

### 4 by 4 Mathdokus

Can you use the clues to complete these 4 by 4 Mathematical Sudokus?

game

Favourite

### Dicey Perimeter, Dicey Area

In this game for two players, you throw two dice and find the product. How many shapes can you draw on the grid which have that area or perimeter?

problem

Favourite

### The Moons of Vuvv

The planet of Vuvv has seven moons. Can you work out how long it is between each super-eclipse?

problem

Favourite

### Factor Lines

Arrange the four number cards on the grid, according to the rules, to make a diagonal, vertical or horizontal line.

problem

Favourite

### Factor-Multiple Chains

Can you see how these factor-multiple chains work? Find the chain which contains the smallest possible numbers. How about the largest possible numbers?

problem

Favourite

### Button-Up Some More

How many ways can you find to do up all four buttons on my coat? How about if I had five buttons? Six ...?

problem

Favourite

### Different Deductions

There are lots of different methods to find out what the shapes are worth - how many can you find?

problem

Favourite

### Round and round the circle

What happens if you join every second point on this circle? How about every third point? Try with different steps and see if you can predict what will happen.

problem

Favourite

### Making Cuboids

Let's say you can only use two different lengths - 2 units and 4 units. Using just these 2 lengths as the edges how many different cuboids can you make?

problem

Favourite

### Mystery Matrix

Can you fill in this table square? The numbers 2 -12 were used to generate it with just one number used twice.

problem

Favourite

### Triangles all Around

Can you find all the different triangles on these peg boards, and find their angles?

problem

Favourite

### Two and Two

How many solutions can you find to this sum? Each of the different letters stands for a different number.

problem

Favourite

### Quadrilaterals

How many DIFFERENT quadrilaterals can be made by joining the dots on the 8-point circle?